Pipe Wall Thickness CalculatorASME B31.3 Pipe Wall Thickness Calculator Design Pressure (P) in MPa: Outside Diameter (Do) in mm: Allowable Stress (S) in MPa: Weld Joint Efficiency (E): Corrosion Allowance (CA) in mm: Calculate Thickness Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on WhatsApp (Opens in new window) WhatsApp More Share on LinkedIn (Opens in new window) LinkedIn Share on Tumblr (Opens in new window) Tumblr